Iris is software which makes Monitors healthy for the eyes. With Iris you can reduce the Blue Light emitted from your screen for better sleep, reduce the Brightness of your screen without PWM and avoid eye pain. Iris is software which makes Monitors healthy for the eyes. Feb 25, 2011 If you use your Mac at night or in the dark, you need to do your eyes and brain a favor by downloading Flux. The idea behind Flux is simple; when the sun is down you shouldn’t be staring at the immensely bright computer screen, whose intensity is made to emit as much light as possible and practically mimic sunlight.
We've seen how the new iPad's ultra-high-resolution retina display can improve the visibility of type and images, making the whole experience of interacting with the tablet more pleasing. But can it also ease the inherent strain that goes hand-in-hand with staring at a glowing screen, sometimes for hours on end?
Gary Heiting, an optometrist and associate editor of the site All About Vision, says yes.
'A key factor in something that's called computer vision syndrome, or just eye strain from computer use, is screen resolution,' Heiting says. 'The new iPad, with twice the resolution of the iPad 2, 264 ppi (pixels per inch) instead of 132, people are going to notice less pixelation, especially in a small typeface. It's not just an enjoyment issue or an aesthetic issue, but it's definitely a visual comfort isue, over time.'
Why is screen resolution such a key factor? It ties back into the whole rationale for creating a retina display in the first place, which is loosely described as a screen so sharp that it becomes impossible for a normal person to resolve individual pixels when it's held at normal viewing distances. As Heiting describes it, the closer you can get the screen resolution to be similar to the human eye itself, the better it's going to be in terms of visual comfort.
SEE ALSO: Is a Retina Screen on the iPad Overkill?
We all use our iPad's differently, however, with some using it mainly as an book and news reader, others as a video hub and some as a gaming device (among many other uses). Heiting says reading is where users will get experience the most comfort benefit.
'For the typical user, it's really going to be more about [type],' he says. 'That's going to put the greatest demand on their vision.'
The iPad's retina display would also ease some of the eye strain of playing games, says Heiting. Since games aren't static like photos, they put more stress on the eye. Although the dynamic nature of games will always fatigue eyes faster than type, the upgraded screen can still help.
'When you've got movement going, that's a whole new level of neurology involved in vision,' Heiting says. 'So the greater clarity, the greater color saturation for gaming should make the new iPad significantly more comfortable on people's eyes than the previous models.'
The term 'retina display' first arrived with the iPhone 4. At the time, some experts claimed Apple was exaggerating in its claims that the screen was more dense than the human eye could see. Now that the retina tent is expanding, it's worth asking: Is it fair to call the new iPad's screen a retina display?
SEE ALSO: Here’s How Apple Put a Retina Display in the iPad
Heiting explains that it all depends on how close you hold the device to your eye. At typical distances — 12 inches for a smartphone, 15-17 inches for a tablet — Apple's claims are true. If you hold your device closer, however, you may be able to see pixels. But he says you wouldn't want to do that anyway.
'The closer you hold things to your eyes, not only the more your eyes have to focus, but the more they have to converge inwards. So it's more stressful on your eyes, and your eyes are going to tire a lot quicker.'
At the normal distances for tablets, the human eye's resolving power is about 240 ppi, which makes the new iPad's 264 ppi a true retina display. He adds one caveat, though: That holds only for people with normal 20/20 vision.
'There are a lot of people who are capable of seeing more — people with, say, 20/10 vision,' Heiting adds. 'That's twice as good as what's considered normal. If you wanted to cover those people, you may want to be around the 400 mark for ppi. Is that really going to be noticeable to 80-90% of people? Probably not.'
Do you find that you experience more eye strain on lower-res devices? And is it at all a factor in the gadgets you buy? Let us know in the comments.
BONUS: The New iPad's Retina Display Close Up
CarPlay is a smarter, safer way to use your iPhone while you drive. And now with an all‑new CarPlay Dashboard that helps you with tunes, turns, and Siri suggestions, a Calendar app that lets you view and manage your day, and maps that reveal more of what’s around you, getting there just got a whole lot easier. And a lot more fun.
Control with a word. Or a touch. Or a twist.
CarPlay features Siri voice control and is specially designed for driving scenarios. CarPlay also works with your car’s controls — knobs, buttons, touchpad, or touchscreen. And the apps themselves have been reimagined for the car, so you can use them while your eyes and hands stay where they belong.
Siri
To activate Siri voice control, just press and hold the voice control button on the steering wheel.
Touch
If your CarPlay-equipped vehicle has a touchscreen, you can use it to control CarPlay.
Knobs and Controls
CarPlay also works with the knobs, dials, or buttons in the car. If it controls your screen, it controls CarPlay.
Maps
Let your iPhone show you the way.
The power and simplicity of Apple Maps is available in your car. CarPlay can predict where you’re going using addresses from your email, text messages, contacts, and calendars. And now with a more detailed map, turn‑by‑turn spoken directions, and immersive 3D experiences, it’s easier than ever to get where you need to go. One‑tap access to your go‑to and must‑see destinations also helps you find more to see and do when you get there — whether you’re searching for points of interest, driving to a favorite restaurant, or looking for nearby gas stations.
Phone
The road is calling.
Make calls, return missed calls, and listen to voicemail. Siri can help you do all of these things. All you have to do is ask.
Messages
Reading and writing is now listening and dictating.
Siri can read, reply, and send text messages for you, so you never have to look at your iPhone while driving. Just say “Siri, tell Blair I’ll be there in 20 minutes,” and it’s done. CarPlay can also play audio messages through the car’s speakers.
Music
All your music. Beautifully arranged.
Access all your content from your Apple Music subscription and additional audio apps using your car’s built‑in controls. Search by artist, album, or song. See what’s playing and what’s up next. You can ask Siri to play your favorite song by Arcade Fire, act as your personal DJ, or stream one of more than 100,000 live radio stations.
Calendar
Stay on top of your day when you’re on the road.
A new Calendar app gives you a quick, simple view of the day ahead while you’re on the go. And if you have a meeting, you can just tap to get directions or dial in, using your car’s speakers and microphones to keep your hands on the wheel and eyes on the road.
Invite more apps along for the ride.
CarPlay supports other apps on your iPhone — like your favorite audio, messaging, and voice apps. Apps developed by car manufacturers are also supported, so you can control more of your car’s features without ever leaving CarPlay.1 You can personalize your experience by rearranging exactly how your apps appear in CarPlay through settings on your iPhone.
Podcasts
Audiobooks
iHeartRadio
WhatsApp
Spotify
Stitcher
CBS Radio
Overcast
Audiobooks.com
Audible
Pandora
LiveXLive
VOX
NPR One
Downcast
Radio Disney
Amazon
Google Play Music
SiriusXM Radio
Tidal
At Bat2
2GIS
百度地图
Google Maps
KakaoNavi
NAVER Map
NAVITIME
搜狗地图
Sygic Car Navigation: GPS & Maps
腾讯地图
T Map
Waze
The CarPlay Lineup
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Every major automobile manufacturer has partnered with us in supporting CarPlay. There are over 500 models to choose from, with more on the way.3Canon pixma 3500 driver download.
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Toyota
Vauxhall
VW
Volvo
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More than 500 models to choose from.
You can add CarPlay to your current car with an aftermarket system.